CN202701754U - Shell installation center line aligning device for turbine - Google Patents
Shell installation center line aligning device for turbine Download PDFInfo
- Publication number
- CN202701754U CN202701754U CN 201220354385 CN201220354385U CN202701754U CN 202701754 U CN202701754 U CN 202701754U CN 201220354385 CN201220354385 CN 201220354385 CN 201220354385 U CN201220354385 U CN 201220354385U CN 202701754 U CN202701754 U CN 202701754U
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- China
- Prior art keywords
- steel wire
- rotating base
- center line
- steam turbine
- bearing pin
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Abstract
The utility model discloses a shell installation center line aligning device for a turbine. The shell installation center line aligning device comprises a fixed base, wherein a rotating base is rotatably arranged on the fixed base through a pin shaft; a support wheel for supporting an aligning steel wire is rotatably arranged on the rotating base; the rotating base is provided with an aligning steel wire left-right adjustment device for adjusting the left position and the right position of the aligning steel wire and an aligning steel wire top-bottom adjustment device for adjusting the top position and the bottom position of the aligning steel wire; and the fixed base is provided with a base fixation device. When in use, two shell installation center line aligning devices are used in a combination manner, and respectively fixed at two sides of a turbine group for pulling the aligning steel wire; through the matching of the measured size of an inside micrometer, the aligning steel wire displacements, required by being adjusted by the aligning steel wire left-right adjustment device and the aligning steel wire top-bottom adjustment device, are calculated, and the adjustment is carried out; and the shell installation center line aligning device has the characteristics of simple structure, convenience for use and operation, and precision for alignment.
Description
Technical field
The utility model relates to a kind of centre line aligning instrument, relates in particular to a kind of device of housing centre line aligning when being suitable for steam turbine shell and installing.
Background technology
Steam Turbine is in installation process, an important centering that link is center line, the steam turbine shell aligning method that generally uses at present is for drawing steel wire alignment, dummy shaft alignment, turbine rotor alignment, laser alignment etc., domestic the most frequently used aligning method remains the steel wire alignment method of drawing at present, namely utilize joining of center centering steel wire and wire rack to use and regulate centering, in use, the ubiquity wire rack is adjusted underaction, especially the adjustment of upper and lower displacement is relatively more difficult, has affected precision and the construction speed of alignment.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of simple in structure, the accurate steam turbine shell mounting center of centre line aligning line alignment device.
For solving the problems of the technologies described above, the technical solution of the utility model is: steam turbine shell mounting center line alignment device, comprise fixed pedestal, be rotatablely equipped with rotating base by bearing pin on the described fixed pedestal, rotate the support wheel that is provided with for supporting the centering steel wire on the described rotating base, described rotating base is provided with for adjusting device about the centering steel wire of the centering steel wire right-left adjusting device of adjusting position, the centering steel wire left and right sides and adjustment centering steel wire upper-lower position, and described fixed pedestal is provided with the pedestal fixture.
As preferred technical scheme, described centering steel wire right-left adjusting device comprises that described rotating base is provided with the horizontal helical keyhole parallel with described bearing pin, pass described horizontal helical keyhole and be provided with horizontal adjustment bolt, described support wheel rotates an end that is installed on described horizontal adjustment bolt, is provided with left and right sides locking nut between described horizontal adjustment bolt and the described rotating base.
As preferred technical scheme, described centering steel wire up and down adjusting device comprises that described rotating base is provided with the vertical bolt hole vertical with described bearing pin, pass described vertical bolt hole and be provided with the vertical adjusting bolt, be provided with lower locking nut between described vertical adjusting bolt and the described rotating base.
As preferred technical scheme, described fixed pedestal and rotating base are respectively rectangular structure, described fixed pedestal one end is provided with mount pad, described mount pad is provided with mounting groove, described rotating base one end is provided with installation portion, and described installation portion stretches in the described mounting groove and by bearing pin and rotates installation.
As preferred technical scheme, be provided with the lock clasp device between described mount pad and the described bearing pin.
As preferred technical scheme, described lock clasp device is included in two lock-screw holes that described mount pad is provided with, described bearing pin is provided with stopper slot, and described lock-screw is provided with lock-screw in the hole, and the end of described lock-screw is stretched in the described stopper slot.
As to improvement of the technical scheme, described pedestal fixture comprises the fixed bolt hole that is arranged on the described fixed pedestal, and set bolt passes described fixed bolt hole and is combined with hold-down nut.
Owing to adopted technique scheme, steam turbine shell mounting center line alignment device, comprise fixed pedestal, be rotatablely equipped with rotating base by bearing pin on the described fixed pedestal, rotate the support wheel that is provided with for supporting the centering steel wire on the described rotating base, described rotating base is provided with for adjusting device about the centering steel wire of the centering steel wire right-left adjusting device of adjusting position, the centering steel wire left and right sides and adjustment centering steel wire upper-lower position, and described fixed pedestal is provided with the pedestal fixture; The beneficial effects of the utility model are: unite use for two in use, utilize respectively support to be fixed on the both sides of Steam Turbine, be used for tractive centering steel wire, the size that cooperates inside micrometer to measure, calculate the up and down centering steel wire displacement amount that will adjust of adjusting device and adjusting of centering steel wire right-left adjusting device and centering steel wire, simple in structure, use easy to operately, and centering is accurate.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the front view of the utility model embodiment fixed pedestal;
Fig. 3 is the top view of the utility model embodiment fixed pedestal;
Fig. 4 is the front view of the utility model embodiment rotating base;
Fig. 5 is the top view of the utility model embodiment rotating base;
Fig. 6 is the structural representation of the utility model embodiment bearing pin;
Fig. 7 is the structural representation of the utility model embodiment horizontal adjustment bolt;
Fig. 8 is the structural representation of the utility model embodiment support wheel;
Fig. 9 is the structural representation of the utility model embodiment vertical adjusting bolt;
Among the figure: the 1-fixed pedestal; The 2-mounting groove; The 3-rotating base; The 4-installation portion; The 5-bearing pin; The 6-mount pad; The 7-pin shaft hole; 8-lock-screw hole; The 9-stopper slot; The 10-lock-screw; 11-horizontal helical keyhole; The 12-horizontal adjustment bolt; The 13-support wheel; The vertical bolt hole of 14-; 15-left and right sides locking nut; 16-vertical adjusting bolt; The upper lower locking nut of 17-; The 18-fixed bolt hole.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation some example embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection domain of restriction claim.
Extremely shown in Figure 5 such as Fig. 1, steam turbine shell mounting center line alignment device, comprise fixed pedestal 1, be rotatablely equipped with rotating base 3 by bearing pin 5 on the described fixed pedestal 1, described fixed pedestal 1 and rotating base 3 are respectively rectangular structure, described fixed pedestal 1 one ends are provided with mount pad 6, described mount pad 6 is provided with mounting groove 2, described rotating base 3 one ends are provided with installation portion 4, described installation portion 4 stretches in the described mounting groove 2 and by bearing pin 5 and rotates installation, can be set to arc surface in the end of installation portion 4, convenient the cooperation to rotate use, prevent from hindering when installation portion 4 from contacting with fixed pedestal 1 and rotate, described installation portion 4 is provided with the pin shaft hole 7 that connects described bearing pin 5, in use, rotating base 3 can along rotating take bearing pin 5 as basic point, be realized the upper and lower displacement adjustment of centering steel wire.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and shown in Figure 6, present embodiment is provided with the lock clasp device between described mount pad 6 and described bearing pin 5, described lock clasp device is included in two lock-screw holes 8 that described fixed pedestal 1 is provided with, described bearing pin 5 is provided with stopper slot 9, be provided with lock-screw 10 in the described lock-screw hole 8, the end of described lock-screw 10 is positioned at described stopper slot 9, lock-screw 10 can use hex bolts, its effect is when rotating base 3 rotates along bearing pin 5, make bearing pin 5 be in stationary state, the rotational angle of convenient control rotating base 3.
In conjunction with Fig. 1, Fig. 4, Fig. 5, Fig. 7 and shown in Figure 8, rotate the support wheel 13 that is provided with for supporting the centering steel wire on the described rotating base 3, described rotating base 3 is provided with for the centering steel wire right-left adjusting device of adjusting position, the centering steel wire left and right sides, described centering steel wire right-left adjusting device comprises that described rotating base 3 is provided with the horizontal helical keyhole 11 parallel with described bearing pin 5, pass described horizontal helical keyhole 11 and be provided with horizontal adjustment bolt 12, described support wheel 13 rotates an end that is installed on described horizontal adjustment bolt 12, is provided with left and right sides locking nut 15 between described horizontal adjustment bolt 12 and the described rotating base 13.The centering steel wire is set up on support wheel 13 during use, and utilizes left and right sides locking nut 15 to fix, and by adjusting the position of horizontal adjustment bolt 12 in horizontal helical keyhole 11, drives support wheel 13 and centering steel wire left and right displacement, realizes the move left and right of centering steel wire.The processing and making process of support wheel 13 is as follows, prepare a standard component 201 bearings and a roller, then the internal diameter of roller is loaded on bearing holder (housing, cover) the roller inner circle less than 201 bearing outside diameters, 1～0.05mm, the material of roller is epoxy resin board or nylon, and roller is used for carrying the centering steel wire.
In conjunction with Fig. 1, Fig. 4, Fig. 5 and shown in Figure 9, be provided with the centering steel wire adjusting device up and down of adjusting centering steel wire upper-lower position perpendicular to described rotating base 3, be included in the vertical vertical bolt hole 14 of described rotating base 3 bearing pin that be provided with and described 5, pass described vertical bolt hole 14 and be provided with vertical adjusting bolt 16, be provided with lower locking nut 17 between described vertical adjusting bolt 16 and the described rotating base 3, after the centering steel wire is adjusted up and down, lower locking nut 17 further fixes in the utilization, occurs loosening and the generation correct error when avoiding vertical adjusting bolt 16 to connect.
Also be provided with the pedestal fixture on the fixed pedestal described in the present embodiment 1, described pedestal fixture comprises the fixed bolt hole 18 that is arranged on the described fixed pedestal 1, and set bolt passes described fixed bolt hole 18 and is combined with hold-down nut.
Two are used during use, a support is established respectively in both sides at steam turbine shell, be used for installing and fixing this device, support must be firmly, must not rock, the centering steel wire is set up respectively on two support wheels, the height of support and the position of this device need the staff to estimate to install after the approximate location of steam turbine shell center line, can be considered the coarse adjustment of center centering, utilize the fixed bolt hole that the fixed pedestal end arranges during installation and be fixed bolt and hold-down nut is fixed on this device on the support, then utilize this device to carry out accurate fine tuning.
The use procedure of this device is as follows, calculates the centering steel wire according to the thickness model of centering steel wire and carries the weight quality, and computing formula is: G=80d
2Connect respectively a weight at centering steel wire two ends, again steel wire is carried to support wheel, utilize the gravity tensioning centering steel wire of two weights, to guarantee the planarization of centering steel wire, after the centering steel wire is connected and fixed, use inside micrometer to measure turbine steam seal or the hollow nest benchmark of oil catch side-to-side dimensions, calculate steel wire move left and right size H1 according to the standard size on measurement result and the steam turbine specification, the rotation horizontal adjustment bolt, controlling its displacement is H1, and simultaneously support wheel drives the also left or H1 that moves right thereupon of centering steel wire, realizes the left and right displacement adjustment of centering steel wire; Use inside micrometer to measure hollow nest bottom to centering steel wire size, and calculate the centering steel wire on move or the amount of moving down H2, it is H2 that rotation vertical adjusting bolt makes its displacement, when about the centering steel wire with the up-down error scope all after within the allowed band, screw each locking nut, the centre line aligning that steam turbine shell is installed is adjusted complete, can implement installment work.
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. steam turbine shell mounting center line alignment device, it is characterized in that: comprise fixed pedestal, be rotatablely equipped with rotating base by bearing pin on the described fixed pedestal, rotate the support wheel that is provided with for supporting the centering steel wire on the described rotating base, described rotating base is provided with for adjusting device about the centering steel wire of the centering steel wire right-left adjusting device of adjusting position, the centering steel wire left and right sides and adjustment centering steel wire upper-lower position, and described fixed pedestal is provided with the pedestal fixture.
2. steam turbine shell mounting center line alignment device as claimed in claim 1, it is characterized in that: described centering steel wire right-left adjusting device comprises that described rotating base is provided with the horizontal helical keyhole parallel with described bearing pin, pass described horizontal helical keyhole and be provided with horizontal adjustment bolt, described support wheel rotates an end that is installed on described horizontal adjustment bolt, is provided with left and right sides locking nut between described horizontal adjustment bolt and the described rotating base.
3. steam turbine shell mounting center line alignment device as claimed in claim 1, it is characterized in that: described centering steel wire up and down adjusting device comprises that described rotating base is provided with the vertical bolt hole vertical with described bearing pin, pass described vertical bolt hole and be provided with the vertical adjusting bolt, be provided with lower locking nut between described vertical adjusting bolt and the described rotating base.
4. steam turbine shell mounting center line alignment device as claimed in claim 1, it is characterized in that: described fixed pedestal and rotating base are respectively rectangular structure, described fixed pedestal one end is provided with mount pad, described mount pad is provided with mounting groove, described rotating base one end is provided with installation portion, and described installation portion stretches in the described mounting groove and by bearing pin and rotates installation.
5. steam turbine shell mounting center line alignment device as claimed in claim 4 is characterized in that: be provided with the lock clasp device between described mount pad and the described bearing pin.
6. steam turbine shell mounting center line alignment device as claimed in claim 5, it is characterized in that: described lock clasp device is included in two lock-screw holes that described mount pad is provided with, described bearing pin is provided with stopper slot, described lock-screw is provided with lock-screw in the hole, and the end of described lock-screw is stretched in the described stopper slot.
7. steam turbine shell mounting center line alignment device as claimed in claim 6, it is characterized in that: described pedestal fixture comprises the fixed bolt hole that is arranged on the described fixed pedestal, and set bolt passes described fixed bolt hole and is combined with hold-down nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354385 CN202701754U (en) | 2012-07-21 | 2012-07-21 | Shell installation center line aligning device for turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354385 CN202701754U (en) | 2012-07-21 | 2012-07-21 | Shell installation center line aligning device for turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202701754U true CN202701754U (en) | 2013-01-30 |
Family
ID=47582094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220354385 Expired - Fee Related CN202701754U (en) | 2012-07-21 | 2012-07-21 | Shell installation center line aligning device for turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202701754U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034245A (en) * | 2014-06-20 | 2014-09-10 | 山东电力建设第一工程公司 | Steam turbine stationary part centering device |
| CN104690548A (en) * | 2015-04-08 | 2015-06-10 | 武汉科技大学 | Aligning device for drawn steel wire of turbine partition plate |
| CN106840062A (en) * | 2015-12-03 | 2017-06-13 | 上海信慧电力科技有限公司 | A kind of intelligent low-lying area nest measurement apparatus |
| CN110434598A (en) * | 2019-08-26 | 2019-11-12 | 江苏核电有限公司 | A kind of partition board of steam turbine draws steel wire to middle regulator and its method of adjustment |
| CN110814731A (en) * | 2019-10-18 | 2020-02-21 | 中国电建集团山东电力建设第一工程有限公司 | Method for aligning shaft system of ultra-long steam turbine generator |
| CN114367930A (en) * | 2021-12-28 | 2022-04-19 | 沈鼓集团营口透平装备有限公司 | Rotary machine stator casing partition plate alignment system and method based on molybdenum wires |
| CN114674250A (en) * | 2022-03-31 | 2022-06-28 | 华能伊敏煤电有限责任公司 | Steam turbine set partition centering device |
-
2012
- 2012-07-21 CN CN 201220354385 patent/CN202701754U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034245A (en) * | 2014-06-20 | 2014-09-10 | 山东电力建设第一工程公司 | Steam turbine stationary part centering device |
| CN104690548A (en) * | 2015-04-08 | 2015-06-10 | 武汉科技大学 | Aligning device for drawn steel wire of turbine partition plate |
| CN106840062A (en) * | 2015-12-03 | 2017-06-13 | 上海信慧电力科技有限公司 | A kind of intelligent low-lying area nest measurement apparatus |
| CN106840062B (en) * | 2015-12-03 | 2019-08-20 | 上海信慧电力科技有限公司 | A kind of intelligent hollow nest measuring device |
| CN110434598A (en) * | 2019-08-26 | 2019-11-12 | 江苏核电有限公司 | A kind of partition board of steam turbine draws steel wire to middle regulator and its method of adjustment |
| CN110814731A (en) * | 2019-10-18 | 2020-02-21 | 中国电建集团山东电力建设第一工程有限公司 | Method for aligning shaft system of ultra-long steam turbine generator |
| CN114367930A (en) * | 2021-12-28 | 2022-04-19 | 沈鼓集团营口透平装备有限公司 | Rotary machine stator casing partition plate alignment system and method based on molybdenum wires |
| CN114674250A (en) * | 2022-03-31 | 2022-06-28 | 华能伊敏煤电有限责任公司 | Steam turbine set partition centering device |
| CN114674250B (en) * | 2022-03-31 | 2023-11-28 | 华能伊敏煤电有限责任公司 | Centering device for partition plate of steam turbine unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20200721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |